return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H11Cl (Pentane, 1-chloro-)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-655.295753
Energy at 298.15K-655.308140
Nuclear repulsion energy283.316012
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3261 2949 38.21      
2 A' 3235 2926 72.45      
3 A' 3198 2893 32.96      
4 A' 3174 2871 27.53      
5 A' 3170 2867 70.07      
6 A' 3159 2857 13.08      
7 A' 1645 1488 7.43      
8 A' 1635 1479 0.00      
9 A' 1627 1471 2.33      
10 A' 1624 1469 0.22      
11 A' 1621 1466 0.25      
12 A' 1557 1408 0.04      
13 A' 1551 1403 5.09      
14 A' 1511 1367 23.15      
15 A' 1448 1310 19.66      
16 A' 1373 1242 12.79      
17 A' 1222 1105 1.84      
18 A' 1130 1022 0.15      
19 A' 1120 1013 4.31      
20 A' 1082 978 0.01      
21 A' 968 876 1.94      
22 A' 784 709 72.57      
23 A' 482 436 3.79      
24 A' 367 332 1.38      
25 A' 277 250 2.21      
26 A' 125 113 1.73      
27 A" 3320 3002 28.28      
28 A" 3238 2929 135.11      
29 A" 3230 2921 26.50      
30 A" 3198 2892 15.90      
31 A" 3176 2873 2.51      
32 A" 1633 1477 7.19      
33 A" 1457 1318 0.75      
34 A" 1451 1312 1.04      
35 A" 1407 1272 0.35      
36 A" 1334 1207 0.36      
37 A" 1217 1101 1.30      
38 A" 1053 952 0.02      
39 A" 911 824 0.74      
40 A" 815 737 0.09      
41 A" 785 710 2.92      
42 A" 265 240 0.01      
43 A" 161 146 0.62      
44 A" 111 100 0.26      
45 A" 73 66 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 35589.5 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 32187.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/6-311G*
ABC
0.50578 0.02627 0.02555

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.495 0.110 0.000
Cl2 -2.441 1.646 0.000
C3 0.000 0.374 0.000
C4 0.801 -0.930 0.000
C5 2.312 -0.696 0.000
C6 3.115 -1.995 0.000
H7 4.182 -1.797 0.000
H8 -1.809 -0.431 0.878
H9 -1.809 -0.431 -0.878
H10 0.256 0.968 -0.871
H11 0.256 0.968 0.871
H12 0.530 -1.524 0.870
H13 0.530 -1.524 -0.870
H14 2.584 -0.102 0.869
H15 2.584 -0.102 -0.869
H16 2.893 -2.597 0.876
H17 2.893 -2.597 -0.876

Atom - Atom Distances (Å)
  C1 Cl2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.80391.51792.52043.89125.06755.98851.07871.07872.13592.13592.74402.74404.17624.17625.22955.2295
Cl21.80392.75244.14055.29856.64227.46412.34222.34222.91412.91414.43124.43125.39115.39116.87146.8714
C31.51792.75241.52982.54753.91304.71172.16652.16651.08541.08542.15442.15442.76792.76794.23794.2379
C42.52044.14051.52981.52862.54713.49022.79922.79922.15822.15821.08861.08862.14932.14932.81472.8147
C53.89125.29852.54751.52861.52652.16994.22224.22222.78482.78482.14902.14901.08761.08762.17172.1717
C65.06756.64223.91302.54711.52651.08505.24075.24074.20824.20822.76772.76772.14882.14881.08611.0861
H75.98857.46414.71173.49022.16991.08506.20756.20754.88014.88013.76393.76392.48592.48591.75161.7516
H81.07872.34222.16652.79924.22225.24076.20751.75693.04752.49532.58243.11884.40614.74015.17705.4663
H91.07872.34222.16652.79924.22225.24076.20751.75692.49533.04753.11882.58244.74014.40615.46635.1770
H102.13592.91411.08542.15822.78484.20824.88013.04752.49531.74203.05322.50783.09762.56244.76594.4340
H112.13592.91411.08542.15822.78484.20824.88012.49533.04751.74202.50783.05322.56243.09764.43404.7659
H122.74404.43122.15441.08862.14902.76773.76392.58243.11883.05322.50781.74092.49843.04452.59483.1279
H132.74404.43122.15441.08862.14902.76773.76393.11882.58242.50783.05321.74093.04452.49843.12792.5948
H144.17625.39112.76792.14931.08762.14882.48594.40614.74013.09762.56242.49843.04451.73882.51313.0599
H154.17625.39112.76792.14931.08762.14882.48594.74014.40612.56243.09763.04452.49841.73883.05992.5131
H165.22956.87144.23792.81472.17171.08611.75165.17705.46634.76594.43402.59483.12792.51313.05991.7526
H175.22956.87144.23792.81472.17171.08611.75165.46635.17704.43404.76593.12792.59483.05992.51311.7526

picture of Pentane, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 111.581 C1 C3 H10 109.136
C1 C3 H11 109.136 Cl2 C1 C3 111.618
Cl2 C1 H8 105.927 Cl2 C1 H9 105.927
C3 C1 H8 111.985 C3 C1 H9 111.985
C3 C4 C5 112.807 C3 C4 H12 109.579
C3 C4 H13 109.579 C4 C3 H10 110.062
C4 C3 H11 110.062 C4 C5 C6 112.969
C4 C5 H14 109.323 C4 C5 H15 109.323
C5 C4 H12 109.236 C5 C4 H13 109.236
C5 C6 H7 111.257 C5 C6 H16 111.338
C5 C6 H17 111.338 C6 C5 H14 109.427
C6 C5 H15 109.427 H7 C6 H16 107.567
H7 C6 H17 107.567 H8 C1 H9 109.043
H10 C3 H11 106.736 H12 C4 H13 106.186
H14 C5 H15 106.143 H16 C6 H17 107.577
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.433 0.019   -0.180
2 Cl -0.151 -0.255   -0.226
3 C -0.409 0.118   0.189
4 C -0.409 0.000   -0.036
5 C -0.402 0.222   0.262
6 C -0.613 -0.180   -0.271
7 H 0.213 0.039   0.063
8 H 0.257 0.069   0.127
9 H 0.257 0.069   0.127
10 H 0.229 -0.015   -0.017
11 H 0.229 -0.015   -0.017
12 H 0.205 -0.016   -0.008
13 H 0.205 -0.016   -0.008
14 H 0.205 -0.052   -0.059
15 H 0.205 -0.052   -0.059
16 H 0.205 0.032   0.055
17 H 0.205 0.032   0.055


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.768 -2.045 0.000 2.703
CHELPG        
AIM        
ESP 1.734 -2.100 0.000 2.724


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -52.376 5.079 0.000
y 5.079 -50.829 0.000
z 0.000 0.000 -46.398
Traceless
 xyz
x -3.763 5.079 0.000
y 5.079 -1.442 0.000
z 0.000 0.000 5.205
Polar
3z2-r210.410
x2-y2-1.547
xy5.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.741 -1.992 0.000
y -1.992 10.048 0.000
z 0.000 0.000 7.786


<r2> (average value of r2) Å2
<r2> 404.975
(<r2>)1/2 20.124